12598960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 32497920

約数和(自身を除く): 19898960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 139, 176, 206, 220, 278, 412, 440, 515, 556, 695, 824, 880, 1030, 1112, 1133, 1390, 1529, 1648, 2060, 2224, 2266, 2780, 3058, 4120, 4532, 5560, 5665, 6116, 7645, 8240, 9064, 11120, 11330, 12232, 14317, 15290, 18128, 22660, 24464, 28634, 30580, 45320, 57268, 61160, 71585, 90640, 114536, 122320, 143170, 157487, 229072, 286340, 314974, 572680, 629948, 787435, 1145360, 1259896, 1574870, 2519792, 3149740, 6299480, 12598960]

約数ペア:

[(1, 12598960), (2, 6299480), (4, 3149740), (5, 2519792), (8, 1574870), (10, 1259896), (11, 1145360), (16, 787435), (20, 629948), (22, 572680), (40, 314974), (44, 286340), (55, 229072), (80, 157487), (88, 143170), (103, 122320), (110, 114536), (139, 90640), (176, 71585), (206, 61160), (220, 57268), (278, 45320), (412, 30580), (440, 28634), (515, 24464), (556, 22660), (695, 18128), (824, 15290), (880, 14317), (1030, 12232), (1112, 11330), (1133, 11120), (1390, 9064), (1529, 8240), (1648, 7645), (2060, 6116), (2224, 5665), (2266, 5560), (2780, 4532), (3058, 4120)]